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In this lesson, we will learn how to solve polynomial inequalities using factoring, end behavior, and sign charts.

Q1:

Given that is zero when , determine the conditions on so that .

Q2:

Given that the function π ( π₯ ) = π₯ β 3 π₯ β 6 π₯ + 8 3 2 has a zero at π₯ = 4 , determine all π₯ for which the graph π¦ = π ( π₯ ) is below the π₯ -axis.

Q3:

Find all solutions to the inequality . Write your answer as an interval.

Q4:

Q5:

Solve the inequality π β π β 2 0 π < 0 4 3 2 .

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